2001 Cadillac Deville: common problems

Owners of the 2001 Cadillac Deville filed 175 complaints with NHTSA, most often about electrical system and engine and cooling. Details by component below, with sources.

Key figures

Owner complaints: 175
involving a crash: 23

What fails most often

1 Electrical system 26% of all complaints
2 Engine and cooling 22% of all complaints
3 Air bags 11% of all complaints
4 Service brakes 11% of all complaints
5 Steering 10% of all complaints
6 Visibility 9% of all complaints
7 Engine 8% of all complaints
8 Seat belts 5% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Electrical system: 45 complaints (26% of all), 4 of them with a crash reported by the owner.
Engine and cooling: 38 complaints (22% of all), 1 of them with a crash reported by the owner.
Air bags: 19 complaints (11% of all), 14 of them with a crash reported by the owner.
Service brakes: 19 complaints (11% of all), 4 of them with a crash reported by the owner.
Steering: 18 complaints (10% of all), 1 of them with a crash reported by the owner.

Engines and transmissions

US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.

4.6 L · petrol · 8 cyl
automatic, 4-speed

Drive: FWD

Symptoms owners describe

How many of the 175 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

stalls while driving30 · 17%
windows, sunroof13 · 7%
steering or power steering problems10 · 6%
airbags did not deploy9 · 5%
seat belts7 · 4%
warning lights, check engine7 · 4%
brake failure6 · 3%
won't start6 · 3%
knocking, grinding or other noise5 · 3%
oil leak or consumption5 · 3%

Components owners complain about

Component	Owner complaints	involving a crash
Electrical system	45	4
Engine and cooling	38	1
Air bags	19	14
Service brakes	19	4
Steering	18	1
Visibility	15	0
Engine	14	2
Seat belts	9	3
Suspension	8	0
Vehicle speed control	8	0
Fuel system	7	0
Tires	6	0
Powertrain	5	0
Structure	5	1

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

The contact stated that while reversing, the vehicle stalled without warning causing the vehicle to crash into a light post. The air bags failed to deploy. A police report was not filed and no injuries were sustained. The vehicle had not been repaired.
Electrical system · crash · 2014-10-01 · NHTSA complaint #10640605
The contact mentioned that the vehicle stalled causing the contact to crash into another vehicle. The air bags failed to deploy. A police report was filed of the incident and no injuries were reported. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure.
Electrical system · crash · 2014-09-29 · NHTSA complaint #10639801
The contact stated that while driving 35 mph, she crashed into another vehicle and the air bags failed to deploy. A police report was filed. The contact sustained shoulder and head injuries, the passenger sustained head and neck injuries, and both rear side passenger's sustained neck and back injuries.
Air bags · crash · 2014-08-27 · NHTSA complaint #10628923
The air bags failed to deploy. The contact mentioned that the driver sustained neck and back injuries that required medical attention and was knocked unconscious. A police report was filed. The vehicle was destroyed and towed to repair shop. The manufacturer was notified of the failure. The failure mileage was 40,000.
Air bags · crash · 2014-08-22 · NHTSA complaint #10627483
The contact stated that the vehicle stalled without warning causing the contact to crash into a median. No police report was filed and no injuries were reported. The vehicle was taken to an independent mechanic. The technician diagnosed that the engine failed. Unknown repairs were made to the vehicle.
Engine · crash · 2014-08-20 · NHTSA complaint #10626733
While driving at an unknown speed, the contact stated that the brake pedal became extremely difficult to depress and the steering wheel locked. As a result, the contact crashed the vehicle into a tree and the air bag deployed shortly afterwards.
Service brakes · crash · 2014-08-19 · NHTSA complaint #10626425
While driving 25 mph, the vehicle stalled and caused the contact to crash the vehicle. The air bags failed to deploy. A police report was filed. Two passengers were injured and received medical attention. The vehicle was repaired. The failure mileage was 60,000.
Electrical system · crash · 2014-08-18 · NHTSA complaint #10626013
The passenger side seat belt malfunctioned. The lock mechanism broke on impact. While turning onto a street the driver didn't have time to avoid a vehicle that was parked on the side of the road and as a result the driver rear ended the vehicle. The front passenger seat belt lock mechanism broke on impact.
Seat belts · crash · 2004-08-20 · NHTSA complaint #10089350

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

200116
200222
200317
200416
20057
200612
20074
20089
20097
20105
20115
20123
20131
201435
201510
20162
20171
20181
20192
20221
20251

Comparison

By complaint count this model year ranks 2,306 of 36,656 model years in the NHTSA data (top 6% most complained about).

On average one model year of the Deville has 83 complaints (33 years in the data). This year has 175, above average.

What to check before buying

Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.

Questions and answers

What are the most common problems with the 2001 Cadillac Deville?

Owner complaints to NHTSA most often mention: electrical system, engine and cooling, air bags. Total complaints: 175. The most frequent symptoms in complaint texts: stalls while driving (17%), windows, sunroof (7%), steering or power steering problems (6%).

How many service bulletins (TSB) were issued for the 2001 Cadillac Deville?

NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2001 Cadillac Deville from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2001 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.